rustc_hir::hir

Enum OpaqueTyOrigin

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pub enum OpaqueTyOrigin<D> {
    FnReturn {
        parent: D,
        in_trait_or_impl: Option<RpitContext>,
    },
    AsyncFn {
        parent: D,
        in_trait_or_impl: Option<RpitContext>,
    },
    TyAlias {
        parent: D,
        in_assoc_ty: bool,
    },
}
Expand description

From whence the opaque type came.

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FnReturn

-> impl Trait

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§parent: D

The defining function.

§in_trait_or_impl: Option<RpitContext>
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AsyncFn

async fn

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§parent: D

The defining function.

§in_trait_or_impl: Option<RpitContext>
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TyAlias

type aliases: type Foo = impl Trait;

Fields

§parent: D

The type alias or associated type parent of the TAIT/ATPIT

§in_assoc_ty: bool

associated types in impl blocks for traits.

Trait Implementations§

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impl<D: Clone> Clone for OpaqueTyOrigin<D>

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fn clone(&self) -> OpaqueTyOrigin<D>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<D: Debug> Debug for OpaqueTyOrigin<D>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<D, __D: SpanDecoder> Decodable<__D> for OpaqueTyOrigin<D>
where D: Decodable<__D>,

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fn decode(__decoder: &mut __D) -> Self

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impl<D, __E: SpanEncoder> Encodable<__E> for OpaqueTyOrigin<D>
where D: Encodable<__E>,

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fn encode(&self, __encoder: &mut __E)

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impl<D, __CTX> HashStable<__CTX> for OpaqueTyOrigin<D>
where __CTX: HashStableContext, D: HashStable<__CTX>,

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fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)

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impl<D: PartialEq> PartialEq for OpaqueTyOrigin<D>

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fn eq(&self, other: &OpaqueTyOrigin<D>) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<D: Copy> Copy for OpaqueTyOrigin<D>

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impl<D: Eq> Eq for OpaqueTyOrigin<D>

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impl<D> StructuralPartialEq for OpaqueTyOrigin<D>

Auto Trait Implementations§

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impl<D> DynSend for OpaqueTyOrigin<D>
where D: DynSend,

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impl<D> DynSync for OpaqueTyOrigin<D>
where D: DynSync,

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impl<D> Freeze for OpaqueTyOrigin<D>
where D: Freeze,

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impl<D> RefUnwindSafe for OpaqueTyOrigin<D>
where D: RefUnwindSafe,

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impl<D> Send for OpaqueTyOrigin<D>
where D: Send,

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impl<D> Sync for OpaqueTyOrigin<D>
where D: Sync,

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impl<D> Unpin for OpaqueTyOrigin<D>
where D: Unpin,

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impl<D> UnwindSafe for OpaqueTyOrigin<D>
where D: UnwindSafe,

Blanket Implementations§

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impl<T> Aligned for T

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const ALIGN: Alignment

Alignment of Self.
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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for T
where T: Copy,

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fn allocate_on(self, arena: &'tcx Arena<'tcx>) -> &'tcx mut T

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fn allocate_from_iter( arena: &'tcx Arena<'tcx>, iter: impl IntoIterator<Item = T>, ) -> &'tcx mut [T]

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<'a, T> Captures<'a> for T
where T: ?Sized,

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Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.